medicare and medicaid chief marilyn tavenner told a senate hearing today the troubled web site's performance is improving. >> we are now able to process 17 registrants per hour or five per second with almost no errors. we've updated the site several times since october 1, fixing bugs and improving the healthcare.gov experience. we've added more capacity and we've doubled the number of servers in order to meet demand. >> ifill: in washington last night, the president told supporters he has "one more campaign" in him, to prove the health care law will work for everyone. he'll take that pitch to dallas tomorrow, meeting with enrollment volunteers. federal findings today raised major questions about day care. the inspector general for the department of health and human services found that 21 states do not require a yearly unannounced inspection at day care facilities, and only 15 states require background checks on employees. 1.6 million children rely on federal subsidies to attend programs at 500,000 day care centers or homes nationwide. this was election day in a number of cities and states ar